CN110452618B - Low-density non-cured rubber asphalt waterproof coating and preparation method thereof - Google Patents
Low-density non-cured rubber asphalt waterproof coating and preparation method thereof Download PDFInfo
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- CN110452618B CN110452618B CN201910750442.0A CN201910750442A CN110452618B CN 110452618 B CN110452618 B CN 110452618B CN 201910750442 A CN201910750442 A CN 201910750442A CN 110452618 B CN110452618 B CN 110452618B
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D195/00—Coating compositions based on bituminous materials, e.g. asphalt, tar, pitch
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/20—Diluents or solvents
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Abstract
The invention relates to the field of asphalt waterproof coatings, and provides a low-density non-cured rubber asphalt waterproof coating and a preparation method thereof, which are used for solving the problem of high density of the waterproof coating. The invention provides a low-density non-cured rubber asphalt waterproof coating which comprises, by mass, 30-60 parts of asphalt, 30-60 parts of oil, 2-5 parts of SBS, 5-10 parts of PSBR, 2-8 parts of oxidized polyethylene wax and 0-5 parts of an auxiliary agent. The product has lower density, more excellent self-healing property and peristalsis, and other performance indexes higher than the standard. The design reduces the consumption of heat sources and improves the construction efficiency of the product in the construction process, reduces the transportation amount and reduces the environmental pollution.
Description
Technical Field
The invention relates to the field of asphalt waterproof coatings, and particularly relates to a low-density non-cured rubber asphalt waterproof coating.
Background
At present, in the building waterproof industry, the non-cured rubber asphalt waterproof coating is mostly a formula system added with inorganic salt fillers such as stone powder and the like to reduce the cost, and the density generally exceeds 1.2g/cm for carrying out thin-wall high-speed thin-wall high-speed thin-speed tube planting. Due to the addition of inorganic salt fillers (stone powder, light calcium carbonate, coal ash powder, mica powder and the like), the product is easy to deposit and delaminate after being cooled after being filled at high temperature in production, the storage stability, the aging resistance and other properties are reduced, and the material consumption in the aspects of construction and transportation is increased. The non-curing rubber asphalt waterproof coating added with inorganic salt has the advantages that the self-healing property and the creep property of the product are influenced by the sharp improvement of the hardness of the product, and the waterproof effect and the waterproof service life are reduced.
Disclosure of Invention
The invention provides a low-density non-curing rubber asphalt waterproof coating, which aims to solve the problem of high density of the waterproof coating.
In order to solve the technical problems, the technical scheme provided by the invention is as follows:
the low-density non-cured rubber asphalt waterproof coating comprises 30-60 parts by mass of asphalt, 30-60 parts by mass of oil, 2-5 parts by mass of SBS, 5-10 parts by mass of PSBR, 2-8 parts by mass of oxidized polyethylene wax and 0-5 parts by mass of an auxiliary agent.
The main component of the coating is organic matter, the intersolubility is good, and meanwhile, no inorganic salt filler is added in the formula, so that the density of the coating is low.
The adhesive has the advantages that inorganic salt fillers are not added, the density is low, the adhesion is high, the flexibility at low temperature is excellent, and the self-healing property and the peristalsis property are extremely excellent; the fluidity is high, so that the consumption of a heat source is reduced in the construction process, the construction efficiency can be improved, and the environmental pollution is reduced.
Preferably, the asphalt comprises 40-60 parts by mass of asphalt, 43-60 parts by mass of oil, 4-5 parts by mass of SBS, 6-10 parts by mass of PSBR, 5-8 parts by mass of oxidized polyethylene wax and 2-5 parts by mass of auxiliary agent.
Preferably, the asphalt comprises 40 parts by mass of asphalt, 43 parts by mass of oil, 4 parts by mass of SBS, 6 parts by mass of PSBR, 5 parts by mass of oxidized polyethylene wax and 2 parts by mass of auxiliary agent.
Preferably, the oil is one or more of rubber oil, naphthenic oil, paraffin oil, aromatic oil and minus line oil. Mineral oil is used as a diluent, so that the influence on the environment is small, and the peristalsis of the coating can be improved.
Preferably, the SBS has one of a star-shaped structure or a linear structure.
Preferably, the PSBR is powdered styrene butadiene rubber, and the rubber content is 40-80%.
Preferably, the oxidized polyethylene wax is in the form of powder particles or irregular particles.
Preferably, the auxiliary agent is one or more of an antioxidant, a tackifier or a rubber accelerator.
A preparation method of a low-density non-cured rubber asphalt waterproof coating comprises the following steps:
s11, adding asphalt into a reaction kettle, stirring, adding oil in the stirring process, and heating to 140-160 ℃;
s12, adding SBS and PSBR, heating to 180 ℃, and stirring for 0.1-1 h under the condition of heat preservation;
s13, adding oxidized polyethylene wax and an auxiliary agent, and stirring for 2-5 hours at the temperature of 175-185 ℃;
s14, cooling to 100-120 ℃, and discharging to obtain the low-density non-cured rubber asphalt waterproof coating.
Preferably, in the step S14, the temperature is reduced to 100 to 120 ℃, the filtration is performed, and the slurry passing through the filter screen is the low-density non-cured rubber asphalt waterproof coating.
Compared with the prior art, the invention has the beneficial effects that: the product has lower density, more excellent self-healing property and peristalsis, and other performance indexes higher than the standard. The design reduces the consumption of heat sources and improves the construction efficiency of the product in the construction process, reduces the transportation amount and reduces the environmental pollution.
Detailed Description
The following examples are further illustrative of the present invention and are not intended to be limiting thereof.
Example 1
A low-density non-cured rubber asphalt waterproof coating comprises 40 parts by mass of asphalt, 43 parts by mass of oil, 4 parts by mass of SBS, 6 parts by mass of PSBR, 5 parts by mass of oxidized polyethylene wax and 2 parts by mass of an auxiliary agent. The oil is rubber oil. The SBS has a star-shaped structure. The PSBR is powdered styrene butadiene rubber, and the rubber content is 60%. The oxidized polyethylene wax is a powder particle. The auxiliary agent is a mixture of an antioxidant, a tackifier or a rubber accelerator.
A preparation method of a low-density non-cured rubber asphalt waterproof coating comprises the following steps:
s11, adding asphalt into a reaction kettle, stirring, adding oil during stirring, and heating to 150 ℃;
s12, adding SBS and PSBR, heating to 180 ℃, and stirring for 0.5 hour in a heat preservation manner;
s13, adding oxidized polyethylene wax and an auxiliary agent, and stirring for 3 hours at the temperature of 175-185 ℃;
s14, cooling to 100-120 ℃, discharging, filtering, and obtaining the low-density non-cured rubber asphalt waterproof coating through slurry passing through a filter screen.
The main component of the coating is organic matter, the intersolubility is good, and meanwhile, no inorganic salt filler is added in the formula, so that the density of the coating is low. The adhesive has the advantages that inorganic salt fillers are not added, the density is low, the adhesion is high, the flexibility at low temperature is excellent, and the self-healing property and the peristalsis property are extremely excellent; the fluidity is high, so that the consumption of a heat source is reduced in the construction process, the construction efficiency can be improved, and the environmental pollution is reduced. Mineral oil is used as a diluent, so that the influence on the environment is small, and the peristalsis of the coating can be improved.
Example 2
A low-density non-cured rubber asphalt waterproof coating comprises 30 parts by mass of asphalt, 60 parts by mass of oil, 2 parts by mass of SBS, 5 parts by mass of PSBR, 2 parts by mass of oxidized polyethylene wax and 1 part by mass of an auxiliary agent. The oil is naphthenic oil. The SBS has a star-shaped structure. The PSBR is powdered styrene butadiene rubber, and the rubber content is 40%. The oxidized polyethylene wax is a powder particle. The auxiliary agent is a mixture of an antioxidant, a tackifier or a rubber accelerator.
A preparation method of a low-density non-cured rubber asphalt waterproof coating comprises the following steps:
s11, adding asphalt into a reaction kettle, stirring, adding oil during stirring, and heating to 140 ℃;
s12, adding SBS and PSBR, heating to 180 ℃, and stirring for 0.1 hour in a heat preservation manner;
s13, adding oxidized polyethylene wax and an auxiliary agent, and stirring for 2 hours at the temperature of 175-185 ℃;
s14, cooling to 100-120 ℃, and discharging to obtain the low-density non-cured rubber asphalt waterproof coating.
Example 3
A low-density non-cured rubber asphalt waterproof coating comprises, by mass, 60 parts of asphalt, 30 parts of oil, 2 parts of SBS, 5 parts of PSBR, 2 parts of oxidized polyethylene wax and 1 part of an auxiliary agent. The oil is rubber oil. The SBS has a star-shaped structure. The PSBR is powdered styrene butadiene rubber, and the rubber content is 80%. The oxidized polyethylene wax is irregular granular. The auxiliary agent is a mixture of an antioxidant, a tackifier or a rubber accelerator.
A preparation method of a low-density non-cured rubber asphalt waterproof coating comprises the following steps:
s11, adding asphalt into a reaction kettle, stirring, adding oil during stirring, and heating to 160 ℃;
s12, adding SBS and PSBR, heating to 180 ℃, and stirring for 1h in a heat preservation manner;
s13, adding oxidized polyethylene wax and an auxiliary agent, and stirring for 5 hours at the temperature of 175-185 ℃;
s14, cooling to 100-120 ℃, and discharging to obtain the low-density non-cured rubber asphalt waterproof coating.
Example 4
A low-density non-cured rubber asphalt waterproof coating comprises 40 parts by mass of asphalt, 43 parts by mass of oil, 4 parts by mass of SBS, 6 parts by mass of PSBR, 5 parts by mass of oxidized polyethylene wax and 2 parts by mass of an auxiliary agent. The oil is paraffin oil. The SBS is of a linear structure. The PSBR is powdered styrene butadiene rubber, and the rubber content is 60%. The oxidized polyethylene wax is irregular granular. The auxiliary agent is an antioxidant.
A preparation method of a low-density non-cured rubber asphalt waterproof coating comprises the following steps:
s11, adding asphalt into a reaction kettle, stirring, adding oil during stirring, and heating to 150 ℃;
s12, adding SBS and PSBR, heating to 180 ℃, and stirring for 0.5 hour in a heat preservation manner;
s13, adding oxidized polyethylene wax and an auxiliary agent, and stirring for 3 hours at the temperature of 175-185 ℃;
s14, cooling to 100-120 ℃, and discharging to obtain the low-density non-cured rubber asphalt waterproof coating.
Example 5
A low-density non-cured rubber asphalt waterproof coating comprises 36 parts by mass of asphalt, 36 parts by mass of oil, 5 parts by mass of SBS, 10 parts by mass of PSBR, 8 parts by mass of oxidized polyethylene wax and 5 parts by mass of an auxiliary agent. The oil is an aromatic oil. The SBS is one of linear structures. The PSBR is powdered styrene butadiene rubber, and the rubber content is 60%. The oxidized polyethylene wax is in the form of powder particles. The auxiliary agent is one or more of rubber accelerators.
A preparation method of a low-density non-cured rubber asphalt waterproof coating comprises the following steps:
s11, adding asphalt into a reaction kettle, stirring, adding oil during stirring, and heating to 150 ℃;
s12, adding SBS and PSBR, heating to 180 ℃, and stirring for 0.5 hour in a heat preservation manner;
s13, adding oxidized polyethylene wax and an auxiliary agent, and stirring for 3 hours at the temperature of 175-185 ℃;
s14, cooling to 100-120 ℃, and discharging to obtain the low-density non-cured rubber asphalt waterproof coating.
Example 6
A low-density non-cured rubber asphalt waterproof coating comprises 40 parts by mass of asphalt, 43 parts by mass of oil, 4 parts by mass of SBS, 6 parts by mass of PSBR, 5 parts by mass of oxidized polyethylene wax and 2 parts by mass of an auxiliary agent. The oil is minus line oil. The SBS has a star-shaped structure. The PSBR is powdered styrene butadiene rubber, and the rubber content is 60%. The oxidized polyethylene wax is in the form of powder particles or irregular particles. The auxiliary agent is a mixture of an antioxidant, a tackifier or a rubber accelerator.
A preparation method of a low-density non-cured rubber asphalt waterproof coating comprises the following steps:
s11, adding asphalt into a reaction kettle, stirring, adding oil during stirring, and heating to 150 ℃;
s12, adding SBS and PSBR, heating to 180 ℃, and stirring for 0.5 hour in a heat preservation manner;
s13, adding oxidized polyethylene wax and an auxiliary agent, and stirring for 3 hours at the temperature of 175-185 ℃;
s14, cooling to 100-120 ℃, and discharging to obtain the low-density non-cured rubber asphalt waterproof coating.
Comparative example 1
40 parts of asphalt, 40 parts of liquid ethylene propylene diene monomer, 4 parts of SBS, 9 parts of PSBR, 9 parts of polybutene, 21 parts of naphthenic oil and 11 parts of petroleum resin.
A preparation method of a non-cured rubber asphalt waterproof coating comprises the steps of heating asphalt with the formula weight to 130-180 ℃; then, adding liquid ethylene propylene diene monomer, SBS, polybutylene and petroleum resin according to the formula weight, and stirring for 1-2 h at 175-180 ℃; and cooling to 160 ℃, adding the reclaimed rubber powder according to the formula weight, stirring for 1-1.5 h until the mixture is uniform and has no particles, and discharging after the mixture is in a molten state.
Comparative example 2
A low-density non-curing rubber asphalt waterproof coating comprises 40 parts by mass of asphalt, 43 parts by mass of oil, 4 parts by mass of SBS, 6 parts by mass of PSBR and 2 parts by mass of an auxiliary agent. The oil is rubber oil. The SBS has a star-shaped structure. The PSBR is powdered styrene butadiene rubber, and the rubber content is 60%. The auxiliary agent is a mixture of an antioxidant, a tackifier or a rubber accelerator.
Comparative example 3
A low-density non-cured rubber asphalt waterproof coating comprises 25 parts by mass of asphalt, 65 parts by mass of oil, 1 parts by mass of SBS, 3 parts by mass of PSBR, 1 part by mass of oxidized polyethylene wax and 6 parts by mass of an auxiliary agent. The oil is an aromatic oil. The SBS is one of linear structures. The PSBR is powdered styrene butadiene rubber, and the rubber content is 60%. The oxidized polyethylene wax is in the form of powder particles. The auxiliary agent is a rubber accelerator.
Comparative example 4
A low-density non-cured rubber asphalt waterproof coating comprises 70 parts by mass of asphalt, 20 parts by mass of oil, 6 parts by mass of SBS, 12 parts by mass of PSBR and 10 parts by mass of oxidized polyethylene wax. The oil is an aromatic oil. The SBS is one of linear structures. The PSBR is powdered styrene butadiene rubber, and the rubber content is 60%. The oxidized polyethylene wax is in the form of powder particles. The auxiliary agent is a rubber accelerator.
Examples of the experiments
The examples and comparative examples were tested for basic properties, as shown in table 1.
TABLE 1 basic Properties of the coatings
As can be seen from table 1, examples 1 to 6 and comparative examples 1 to 4 have good self-healing properties and no significant difference. While the low temperature flexibility and ductility of example 1 are significantly better than the other examples and comparative examples, it is shown that the preferred content of the formulation described in this application results in a waterproof asphalt coating with higher flexibility and ductility.
Comparative example 1 is the existing waterproof asphalt coating, the formula is greatly different from that of example 1, and although each index of the waterproof asphalt coating meets the requirement, obviously, if the formula is the example 1, the performance of the waterproof asphalt coating can be greatly improved by adjusting the formula.
The content in the formulas of comparative examples 3 and 4 is different from the content of each substance in the formula recorded in the application, and the effect is obviously different from the effect of the application, so that the coating produced according to the proportion in the formula of the application has better low-temperature flexibility.
The above detailed description is specific to possible embodiments of the present invention, and the above embodiments are not intended to limit the scope of the present invention, and all equivalent implementations or modifications that do not depart from the scope of the present invention should be included in the present claims.
Claims (3)
1. The low-density non-cured rubber asphalt waterproof coating is characterized by comprising 40 parts by mass of asphalt, 43 parts by mass of oil, 4 parts by mass of SBS, 6 parts by mass of PSBR, 5 parts by mass of oxidized polyethylene wax and 2 parts by mass of an auxiliary agent; the oil is rubber oil; the SBS is in a star structure; the PSBR is powdered styrene butadiene rubber, and the rubber content is 60%; the oxidized polyethylene wax is powder particles; the auxiliary agent is a mixture of an antioxidant, a tackifier or a rubber accelerator.
2. The method for preparing a low-density non-curing rubber asphalt waterproof coating material according to claim 1, comprising:
s11, adding asphalt into a reaction kettle, stirring, adding oil during stirring, and heating to 140-160 ℃;
s12, adding SBS and PSBR, heating to 180 ℃, and stirring for 0.1-1 h under the condition of heat preservation;
s13, adding oxidized polyethylene wax and an auxiliary agent, and stirring for 2-5 hours at the temperature of 175-185 ℃;
s14, cooling to 100-120 ℃, and discharging to obtain the low-density non-cured rubber asphalt waterproof coating.
3. The preparation method of the low-density non-cured rubber asphalt waterproof coating material according to claim 2, wherein in the step S14, the temperature is reduced to 100-120 ℃, the filtering is carried out, and the slurry passing through the filter screen is the low-density non-cured rubber asphalt waterproof coating material.
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| CN111234701A (en) * | 2020-03-18 | 2020-06-05 | 云南欣城防水科技有限公司 | Non-cured rubber asphalt waterproof coating |
| CN114574103B (en) * | 2020-12-01 | 2023-02-28 | 中国石油天然气股份有限公司 | Anti-aging elastomer modified asphalt coating material and preparation method thereof |
| CN112961507A (en) * | 2021-04-23 | 2021-06-15 | 山东京博石油化工有限公司 | Waterproof special asphalt and preparation method thereof |
| CN115260908A (en) * | 2022-07-28 | 2022-11-01 | 苏州卓宝科技有限公司 | Low-density non-cured coating and preparation method thereof |
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